package com.hyc.cloud.Service;

import cn.hutool.core.util.IdUtil;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.PathVariable;

import java.util.concurrent.TimeUnit;

@Service
public class paymentService {

    //region 服务降级
    //成功的方法
    public String paymentinfo_ok(Integer id){
        return "线程池    " +Thread.currentThread().getName()+" paymentService_ok   id"+id;
    }
    //超时的方法
    @HystrixCommand(fallbackMethod = "paymentinfo_timeoutHandler",commandProperties = {
            @HystrixProperty(name = "execution.isolation.thread.timeoutInMilliseconds",value = "5000")  //3秒钟以内就是正常的业务逻辑
    })
    public String paymentinfo_timeout(Integer id){
        int timenumber = 3;
        try { TimeUnit.SECONDS.sleep(timenumber); }catch (Exception e) {e.printStackTrace();}
        return "线程池    " +Thread.currentThread().getName()+" paymentService_ok   id"+id +"耗时(秒)"+timenumber;
    }
    public String paymentinfo_timeoutHandler(Integer id){

        return "线程池    " +Thread.currentThread().getName()+" paymentinfo_timeoutHandler提醒您   id"+id +"方法暂时不能使用抱歉";
    }
    //endregion


// ==========服务熔断==============

    //region 服务熔断
    //服务熔断
    @HystrixCommand(fallbackMethod = "paymentCircuitBreaker_fallback",commandProperties = {
            @HystrixProperty(name = "circuitBreaker.enabled",value = "true"),  //是否开启断路器
            @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold",value = "10"),   //请求次数
            @HystrixProperty(name = "circuitBreaker.sleepWindowInMilliseconds",value = "10000"),  //时间范围
            @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage",value = "60"), //失败率达到多少后跳闸
    })
    public String paymentCircuitBreaker(@PathVariable("id") Integer id){
        if (id < 0){
            throw new RuntimeException("*****id 不能负数");
        }
        String serialNumber = IdUtil.simpleUUID();

        return Thread.currentThread().getName()+"\t"+"调用成功,流水号："+serialNumber;
    }
    public String paymentCircuitBreaker_fallback(@PathVariable("id") Integer id){
        return "id 不能负数，请稍候再试,(┬＿┬)/~~     id: " +id;
    }
    //endregion

}
